# Rethinking the ill-posedness of the spectral function reconstruction — Why is it fundamentally hard and how Artificial Neural Networks can help

> Research article (Computer Physics Communications, 2022) · cited 30× · AI/ML

**Wikidata**: [openalex:W4221160824](https://www.wikidata.org/wiki/openalex:W4221160824)  
**Source**: https://4ort.xyz/entity/rethinking-the-ill-posedness-of-the-spectral-function-reconstruction-why-is-it-fundamentally-hard-and-how-artificial-neu